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| author | Darrick J. Wong <djwong@kernel.org> | 2022-04-11 15:54:48 -0700 |
|---|---|---|
| committer | Eryu Guan <guaneryu@gmail.com> | 2022-04-17 23:03:01 +0800 |
| commit | 48029933892b96c183603d94a1f3acc179988d99 (patch) | |
| tree | 781d71706a2cff7c5bc9cac2ed0a5b0fedff65dd | |
| parent | b560e18c6216149e47c5208df2727b01ba2ce49b (diff) | |
| download | xfstests-dev-48029933892b96c183603d94a1f3acc179988d99.tar.gz | |
generic: test that linking into a directory fails with EDQUOT
Add a regression test to make sure that unprivileged userspace linking
into a directory fails with EDQUOT when the directory quota limits have
been exceeded.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
| -rwxr-xr-x | tests/generic/681 | 67 | ||||
| -rw-r--r-- | tests/generic/681.out | 3 |
2 files changed, 70 insertions, 0 deletions
diff --git a/tests/generic/681 b/tests/generic/681 new file mode 100755 index 0000000000..2baae9f46b --- /dev/null +++ b/tests/generic/681 @@ -0,0 +1,67 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2022 Oracle. All Rights Reserved. +# +# FS QA Test No. 681 +# +# Ensure that unprivileged userspace hits EDQUOT while linking files into a +# directory when the directory's quota limits have been exceeded. +# +# Regression test for commit: +# +# 871b9316e7a7 ("xfs: reserve quota for dir expansion when linking/unlinking files") +# +. ./common/preamble +_begin_fstest auto quick quota + +# Import common functions. +. ./common/filter +. ./common/quota + +# real QA test starts here + +# Modify as appropriate. +_supported_fs generic +_require_quota +_require_user +_require_scratch + +_scratch_mkfs > "$seqres.full" 2>&1 +_qmount_option usrquota +_qmount + +blocksize=$(_get_block_size $SCRATCH_MNT) +scratchdir=$SCRATCH_MNT/dir +scratchfile=$SCRATCH_MNT/file +mkdir $scratchdir +touch $scratchfile + +# Create a 2-block directory for our 1-block quota limit +total_size=$((blocksize * 2)) +dirents=$((total_size / 255)) + +for ((i = 0; i < dirents; i++)); do + name=$(printf "x%0254d" $i) + ln $scratchfile $scratchdir/$name +done + +# Set a low quota hardlimit for an unprivileged uid and chown the files to it +echo "set up quota" >> $seqres.full +setquota -u $qa_user 0 "$((blocksize / 1024))" 0 0 $SCRATCH_MNT +chown $qa_user $scratchdir $scratchfile +repquota -upn $SCRATCH_MNT >> $seqres.full + +# Fail at appending the directory as qa_user to ensure quota enforcement works +echo "fail quota" >> $seqres.full +for ((i = 0; i < dirents; i++)); do + name=$(printf "y%0254d" $i) + su - "$qa_user" -c "ln $scratchfile $scratchdir/$name" 2>&1 | \ + _filter_scratch | sed -e 's/y[0-9]*/yXXX/g' + test "${PIPESTATUS[0]}" -ne 0 && break +done +repquota -upn $SCRATCH_MNT >> $seqres.full + +# success, all done +echo Silence is golden +status=0 +exit diff --git a/tests/generic/681.out b/tests/generic/681.out new file mode 100644 index 0000000000..dd7e1b086d --- /dev/null +++ b/tests/generic/681.out @@ -0,0 +1,3 @@ +QA output created by 681 +ln: failed to create hard link 'SCRATCH_MNT/dir/yXXX': Disk quota exceeded +Silence is golden |